How to run a program under LocalSystem account:
Download PSTools from here: http://technet.microsoft.com/en-us/sysinternals/bb897553.aspx
open the command prompt using the following command using the psexec.exe
ie Psexec.exe -s -d “R:Retail8rproExchange.exe”
You can also make a shortcut that will allow you to open the program to open under the LocalSystem